The Horsehead Nebula is a cloud of ionized-hydrogen in the constellation Orion. These clouds are lit from within by young, hot stars. The interstellar dust absorbs the light from part of the ionized cloud creating this beautiful contrast. Image Credit: NA
Orion Nebula in Oxygen, Hydrogen, and Sulfur Image Credit Copyright: César Blanco González The Orion Nebula is among the most intensely studied celestial features.The nebula has revealed much about the process of how stars and planetary systems are formed
Suffragette Surveillance, 1913 - Retronaut ‘In Scotland Yard detectives bought their first camera, to covertly photograph suffragettes. The pictures were compiled into ID sheets for officers on the ground.